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X2=16X-64
We move all terms to the left:
X2-(16X-64)=0
We add all the numbers together, and all the variables
X^2-(16X-64)=0
We get rid of parentheses
X^2-16X+64=0
a = 1; b = -16; c = +64;
Δ = b2-4ac
Δ = -162-4·1·64
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$X=\frac{-b}{2a}=\frac{16}{2}=8$
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